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HelpTest ID FIGF2 Insulin-like Growth Factor 2 (IGF-2)
Method Name
Radioimmunoassay (RIA) after acid-alcohol extraction
Reporting Name
Insulin-Like Growth Factor IISpecimen Type
SerumDraw blood in a plain, red-top tube(s). Separate within 1 hour of collection, freeze immediately. Send 0.5 mL serum frozen.
Note: 1. Serum gel tube is okay, but must pour off into a plastic screw cap vial and freeze.
2. Minimum volume does not permit for repeat analysis
Specimen Minimum Volume
0.1 mL
NOTE: Minimum volume does not allow for
repeat analysis.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Frozen | 200 days |
Reference Values
|
Age |
Range (ng/mL) |
Mean |
|
Prepubertal |
258 – 882 |
570 |
|
Pubertal |
273 – 892 |
583 |
|
Adults |
333 – 967 |
650 |
Day(s) Performed
Tuesday
Report Available
3 - 10 daysPerforming Laboratory
Esoterix EndocrinologyCPT Code Information
83519